模擬測量法 的英文怎麼說
中文拼音 [mónǐcèliángfǎ]
模擬測量法
英文
analog measuring method- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 擬 : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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During simulation of kinematic calibration of virtual axis machine tool, indirect method is used for measuring its position and orientation ; meanwhile jacobean matrix regrouping method is used instead of arduous optimization to avoid measurement noise maginification
摘要在對虛擬軸機床進行運動學標定的模擬計算過程中,採用間接測量法對虛擬軸機床的運動進行間接測量,然後通過矩陣重構的方法來解決測量噪聲的干擾問題。Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained
首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤差,建立了基於偽距觀測量的系統觀測模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星軌道,並在此基礎上建立了幾種典型的動態模擬測試環境;第五節為模擬分析和比較,先對ukf演算法和ekf演算法在動態模擬測試環境中進行了模擬比較,然後針對外場試驗,對非線性濾波獲得的定位結果與商業軟體進行了分析比較,並得出結論。The inconsistent excitation can be decomposed into a series of irregular incident waves in terms of the spectral decomposition scheme of the hermitian matrix, with which the coherency function of the ground motions under the inconsistent excitation can be obtained numerical results are given to show its stability and rationality
該方法將隨機輸入下的波動分析問題轉換為多個虛擬激勵下的確定性波動分析組合問題,從而可以方便地獲得場地波動觀測量之間的譜密度矩陣,進而計算給出工程場地的地震動相干函數本文還用數值模擬的辦法對所提出方法的合理性和穩定性進行了探討。After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data
在電子線路模擬軟體pspice中進行了mosfet開關電路以及典型dc dc轉換線路模擬測試,針對不同頻段的測試結果,採用最小二乘擬合法對模擬曲線進行擬合,計算出相應的能量數據,最後綜合模擬結果確定出減小器件開關損耗,提高dc0c轉換線路效率的器件輸出電容cob優化曲線。This paper mainly analyzes control delay at urban signalized intersections. based on the survey data, this paper talks about vehicles movement characteristics of arrival and depart process, then the queueing headway distribution is obtained, and the suggestion that saturated flow should be measured from the sixth queuing vehicle is offered. using random process theory analysis and computer simulation, the queuing length distribution model is obtained
本論文針對平面信號控制交叉口的延誤問題進行了分析,在實測數據分析的基礎上,探討了車輛到達過程和離開過程的運行特性,給出信號交叉口排隊離散車頭時距分佈模型,提出飽和流率的測量應從第六個離開的排隊車輛算起;運用隨機過程理論和計算機模擬的方法得到了信號交叉口排隊長度分佈模型,在此基礎上運用協調變換的方法改進了車輛延誤模型。The contacting measurement method with a double probe is put forward after the detailed analysis of the state - of - the - art measuring methods of the thickness of wall. firstly, the theory - profile generatrix is built, and then the movement curve of the track of joint center is constructed, which aims at making the joint center move along the movement curve and keep the fixed sensor touching the wall. the measuring sensor examines the line in its normal direction of the interior wall all the time, the data from the sensor is the thickness value of the wall
論文通過分析國內外變曲率回轉體壁厚測量的現狀,提出了雙測頭接觸式測量方案:通過構造理論輪廓母線,建立鉸鏈中心的運動曲線,使鉸鏈中心始終沿運動曲線運動,以保證固定觸頭與傳感器測頭的連線始終在內壁法線方向上,從而傳感器測頭所得的數值即為壁厚值,該方案經模擬測試實驗取得了預期效果。It presents a model to predict dynamical demand of market in revenue management system by computer simulate algorithm, which regulates real - time pricing and classed seat allocation simultaneously on the basis of the maximized profit
應用計算機模擬演算法動態構造民航收益管理系統中的需求預測模型,並根據航班收益最大化原則,確定價格與座位存量分配,根據需求變化實時調整價格和座位存量。Because of the influences of the turbidity, ph of raw water, current, temperature and the pollutions of raw water, the process of coagulant dosage is a very complex reaction. to find out the automation of coagulant dosage and reduce the cost of the coagulant, many domestic and international scientific research organizations make research into the theory and mechanism of automation of coagulant dosage, such as the streaming current control method ( scd ), the emulation experimenting method in spot, mathematics model, flocculation control device ( fcd )
由於受到原水濁度、 ph值、配水流量、原水溫度和其他水質污染的影響,投藥絮凝過程是一個非常復雜的反應過程,為實現投藥系統的自動化和降低混凝劑耗率,國內外相當多的科研機構和院校在進行投藥機理和自動化處理的研究,主要有流動電流儀檢測法( scd ) 、現場模擬實驗法、數學模型、顯示絮凝控製法( fcd法)等自動投藥方式的研究和實驗。Numerical simulations were done to show the distortion of the wavefront and the interference pattern under several kinds of typical plasma density distributions. the ray path in plasma was calculated by the numerical solution of the vector equation of light ray, when the plasma density was closing to the critical electron density of the laser frequency. through the simulations, the factors that influence the measurement were found out under different density distributions and shapes of plasma
在此基礎上,採用數值模擬的方法,計算了在幾種典型的等離子體密度分佈下,激光波面的變化和產生的干涉圖樣;並用光線矢量微分方程的數值解法計算了當等離子體密度接近光頻臨界電子密度時,光線在等離子體中的傳播路徑,從中掌握了在不同的等離子體密度和形狀下,進行干涉測量所應估計到的因素。Laser speckle interferometry was used as the experimental method to test the coefficient of thermal expansion ( cte ) of the metal composite leads used in the packaging structures and the thermal deformations of the entire packaging structures due to the change of temperature from room - temperature to 150oc
通過實驗和數值模擬的方法對其熱變形和熱應力進行了研究。採用激光散斑干涉法測量了從室溫到150oc的封裝用金屬復合引線的熱膨脹系數和整個封裝結構的熱變形。With the rapid development of computational fluid dynamics and combustion theory, applying the computer to numerically simulate the complicated processes in the plasma ignition is possible. using numerical simulation can estimate the parameters which are not essay to measure and not doing so many experiments can improve its reliability and reduce the cost. so numerical simulation is a new pattern way to study the inner mechanism of the plasma ignition
隨著計算流體力學和燃燒理論的發展及計算機的廣泛應用,用數值模擬等離子點火器內部燃燒系統流動、傳熱、傳質、化學反應等復雜的過程已成為可能。應用數值模擬的方法可以對實驗難以測量的量進行預估,而不需要大量的試驗,應用數值模擬的方法來解決等離子點火器燃燒性能的分析和工程設計,有利於提高工作的可靠性和經濟性。The basic principle of natural gamma - ray log is stated, the developing background, developing ways and developing situation of natural gamma - ray tools are introduced. the researching task of the paper is presented through analyzing the using situation and questions exsisted in inner natural gamma - ray tools, the researching work is started from three aspects, they are logging tool development, reliability design and reliability assuring methods, and the data processing methods, in the course of logging tool development, instrument indexes are presented based on the compatible property of sookbps telemetry system and environmental property, the analog measuring chanel and the interface circuit which realizing the compatible performance are designed according to the instrument mdexes. the detecto * design. the plateau property testing of the detector and the analysis of it ' s affecting factors are stated, the measuring property of the tool is discused, a new type of single chip microcomputer is selected when designing the interface circuit, and the laboratory experiments has fulfiled conmunieating standard signals between the interface circuit, the universal interface unit of sookbps telemetry system and also 500kbps telemetry system
本文首先概要介紹了石油測井的基本概念、方法、條件、最新進展、以及應採取的研發對策,論述了自然伽瑪測井的基本原理,介紹了自然伽瑪測井儀的發展背景、發展歷程和發展現狀,通過分析國內自然伽瑪測井儀的使用情況和存在的問題,提出了本文的研究任務。研製工作從測井儀研製、可靠性設計與可靠性保障技術、數據處理方法研究三個方面展開,在測井儀研製過程中,根據500kbps遙傳系統要求的配接性能和使用環境特徵,提出了主要儀器指標,並根據這些指標,設計了儀器模擬測量通道和實現這一配接性能的介面電路;論述了探測器的設計、坪特性影響因素分析及其測試,探討了儀器的測量性能;在設計介面電路時選用了新型單片機晶元,並與500kbps遙傳通用介面單元rtu 、 500kbpa遙傳系統實現了室內配接。Under the condition of space moving changed system and the engineering practice, a function of the pixel dimension, the mtf of ccd sensor imaging, the width of target strip and the image motion has been acquired 4. under the condition of one pixel image motion and the nyquist frequencies, adopting the convolution method, the ratios of the mtf with image motion to the idea mtf are 0. 667
這樣就為在工程實際中,在空間移變條件下,求取了ccd探測器影像的mtf 、像元尺寸、影像分辨力和像移量四者之間的一個簡潔的函數關系:材了萬二1一( 2 + n一m ) 2 ? o4n4 .採用模擬的方法和採用卷積方法的比較。To fulfill the need of the application of rp technique in medical domain, reverse cad modeling from medical cross sections is systematically studied in this dissertation. firstly, some algorithms related to the research of this dissertation are studied. new algorithms for orientation and inclusion test for simple polygon, an error constrained automatic faring algorithm for b - spline curve and a theorem regarding the termination criterion for subdivision of triangular bezier patch are proposed
本文針對rp技術在醫學領域應用的需要,系統研究了基於醫學斷層輪廓數據的反求cad建模理論和方法: ( 1 )在基礎演算法研究部分,提出了簡單多邊形方向及點在多邊形內外判斷的新方法、三角b zier曲面片離散的誤差控制定理和一種帶誤差約束的b樣條曲線的自動光順方法; ( 2 )提出了一種基於相鄰層輪廓相似性的醫學斷層輪廓數據曲面重構方法; ( 3 )提出了一種稱為「虛擬測量」的曲面模型處理方法。In measuring distance, two common methods : pulse - counting and phase - shifting are compared and analyzed. we analyze and compare analog intervene method and time delay method according to their measuring precision and the measuring blind area to improve the measuring precision
對脈沖計數法中的兩種提高測量精度的插入法:模擬插入法和延遲線插入法的精度和測量盲區兩個方面作了分析和比較。To improve interceptor ' s tracking & aiming precision, it is necessary to make qualitative analyses and quantitative measurements about the ao effects related to the interceptor ' s seeker in the high speed real gas, and establish a set of ground simulation / test methods to test the ao effects and its calibration mechanism
為了提高攔截彈的跟蹤瞄準精度,必須對攔截彈導引頭在高速真實氣體環境下的氣動光學效應進行定性分析和定量測量,並建立能滿足氣動光學效應與校正機理研究的地面模擬測試方法。( 4 ) the feasibility of applying of brightness temperature approach method and continuous measurement method in practical application are verified. the results of 8 - wavelength thermometer, which are based on the brightness temperature model, verify that continuous measurement method based on brightness temperature is a practical data processing method when the range of target ’ s emissivity is known. the
分別利用亮溫逼近法和基於亮溫模型的連續測量法對基於亮度溫度模型的八波長實測數據進行模擬,利用基於參考模型的連續測量法對固體火箭發動機羽焰溫度實測數據進行模擬,其結果驗證了連續測量法在工程實際中應用的可能性,並進一步驗證了當所給發射率范圍越接近實際物體發射率,計算結果越接近真溫。Several involved factors of the damage boundary problem were shown in this paper. at the same time, the fragility was researched as a import factor and the test method with which gets the displacement fragility was firstly given. moreover, this paper apply a way to solution the fragility with fea as the base of simulation analysis of damage boundary with a computer
論文闡述了與包裝系統損壞邊界相關的幾個問題,並重點就產品易損度的確定進行了比較深入的探討,提出了測取系統位移易損度及其相關物理量試驗方法;給出了一種用有限元分析方法計算產品易損度的方法及其實現過程,從而為文中提出的計算機模擬分析法確定包裝系統損壞邊界提供了基礎。Mathematical analysis, computer simulation and spot testing are three basic methods for performance analysis and evaluation
數學分析法、計算機模擬法和實際測量法是三種基本的分析、評價方法。Pointing to the data obtained from semi - physical simulation of certain helicopter which mainly has low - frequency noise, a data - processing method of depressing and filtering noise from the signal, using the pagoda - structure re - constructing arithmetic and the wavelet transform principle, is proposed
摘要針對直升機半物理模擬測量數據主要是低頻噪聲的特點,提出利用小波變換、塔式結構重構演算法,對信號進行降噪濾波處理的方法。分享友人